Filthy Rich Temptation: The steamy and seductive new billionaire romance from Rachael Stewart for 2025

✨ Forbidden romance

✨ Forced proximity

✨ Best friend’s little sister

✨ Off-limits billionaire

Theo

Making my first billion? Easy. Surviving Sadie — and her three-year-old — moving in? Pure torture. She’s my best friend’s little sister, the one girl I should never touch. Especially after that reckless kiss seven years ago...the kiss that ruined everything.

Now she’s here, under my roof, in every corner of my thoughts. Vulnerable. Off-limits. And so beautiful it hurts. I promised myself I’d protect her, keep my distance. But every laugh, every accidental touch, makes it harder to remember why I ever said no.

Sadie

I ran to Theo for safety, but the moment I walked through his door, I knew I wasn’t just in danger from my ex—I was in danger of falling again. He thinks he’s protecting me, keeping his distance. But every smouldering look says otherwise.

And every night, I wonder: what if I kissed him again? He thinks he’s just helping. But he doesn’t see how he’s rewiring my heart—how my daughter already adores him. I’m supposed to be surviving, not falling. But I know what I want...him. His hands. His mouth. His body. Even if it’s the one thing he swore I couldn’t have...

An irresistibly steamy billionaire romance filled with forbidden desire, angst and second chances!

Praise for Rachael Stewart:

“It has all the ingredients of a delicious billionaire romance but it’s full of tenderness, compassion and decadently sweet heat, too. I devoured it!” Author Laura Carter

'WOW! Rachael Stewart keeps getting better and better! Heat and sizzle seduce you while emotion sneaks in and slaps you upside the head. This sexy, heartfelt book has it all!!' USA Today Bestseller Amy Andrews

'Stewart's writing grabs you by the collar and drags you straight into a world of toe-curling heat and slow-burn healing. I fell for Theo as hard and fast as Sadie did—and loved every smouldering second of it.' bestselling author Lily Parker

'I can see BookTok going wild over this one.' Reader Review

'I was hooked really quickly into this and finished it in less than 24hours, I just didn't want to put it down!' Reader Review

'It had some delightfully spicy moments in it and they were HOT!' Reader Review

'It’s a really enjoyable & entertaining read. I loved it & can’t wait for the next!' Reader Review